Bulk purchase discount available! (7% off for 2-3 items, 10% off for 4 or more!) studio room hall church spring plate mod 7-mode reverb effect pedal I think it works well with electric guitars as well as acoustic-electric guitars. I found the effect adjustments to be simple and easy to operate. [Brand] DONNER [Model] Verb Square [Type] Reverb Effect Pedal [Color] Green系 (Green-based) [Power] DC 9V Stored at home. Thank you. Donner Effect Pedal 7-mode Reverb Modulation Verb Square